The complex which has no d-electron in the central metal atom is .A. `[MnO_(4)]^(Θ)`B. `[Co(NH_(3))_(6)]^(3+)`C. `[Fe(CN)_(6)]^(3-)`D. `[Cr(H_(2)O)_(6)]^(3+)`

The complex which has no d-electron in the central metal atom is .A. `

1.	The complex which has no d-electron in the central metal atom is .A. `[MnO_(4)]^(Θ)`B. `[Co(NH_(3))_(6)]^(3+)`C. `[Fe(CN)_(6)]^(3-)`D. `[Cr(H_(2)O)_(6)]^(3+)`
Answer» Correct Answer - a `MnO_(4)^(Θ):Mn(+7),Mn(Z =25)implies 3d^(5) 4s^(2)` No d - electrons left . `Mn^(+7) =3d^(0)` .

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The complex which has no d-electron in the central metal atom is .A. `[MnO_(4)]^(Θ)`B. `[Co(NH_(3))_(6)]^(3+)`C. `[Fe(CN)_(6)]^(3-)`D. `[Cr(H_(2)O)_(6)]^(3+)`

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